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Nov 21, 2017 The sand used for Brickwork should have a fineness modulus of 1.2 to 1.5. Sand used in plastering:-The sand used for plastering should have a fineness modulus of less than 1.5. Sand used in making Concrete:-The Sand used in making concrete should have a fineness modulus of 2.5 to 3.5. Also Read: Important Properties of Concrete
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According to the fineness modulus, sand can be divided into three specifications, namely coarse sand (3.7~3.1), medium sand (3.0~2.3), and fine sand (2.2~1.6). When configuring concrete, coarse and medium river sand should be preferred for fine aggregate. The fineness modulus of desert sand is usually less than 1.5, and the finer one has a ...
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Jan 10, 2020 The fine aggregate should adopt medium-coarse natural river sand with hardness, clean surface and reasonable gradation, the fineness modulus should be 2.3–3.0, the clay content should not be greater than 1.5%, and the chloride content should not be greater than 0.02%, etc.
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Fineness modulus for crush sand newest crusher, grinding hat is the fineness modulus of natural sand crusher such a requirement often necessitates the use of fineness modulus for sand fine sand should consist of obile sand washing machine,sand washing machine which can echanical crushing, screening made of particle size less than 4.
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Clarification: Three types are natural sand (river banks), crushed stone sand (hard stone) and crushed gravel sand (gravel). 3. What is the fineness modulus value of a fine sand? a) 2.2 b) 2.2-2.6 c) 1 d) 1-2. Answer: b Clarification: Based on the fineness of sand, there are very fine sand, fine sand, medium sand, coarse sand and very coarse ...
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1 Specific gravity of River Sand 2.65 Specific gravity of Sea Sand by wash 2.76 2 Fineness modulus of River Sand 2.826 Fineness modulus of Sea Sand 2.576 3 Bulk density of River Sand a)Dense state(Kg/m3) b)Loose state (Kg/m3) 1466.29 1291.70 Bulk density of River Sand a)Dense state(Kg/m3) b)Loose state (Kg/m3) 1455.0 1297.20
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An examination should be made on the fineness of the available sands. Based on this fineness, it should be consid- ered to be used for the different sectors of construction such as plastering and finishing works, Mortar, Concrete Filling sand. River bed Sand generally contains earthly impurities like gravels, pebbles etc.
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How is the thickness of sand divided by the fineness modulus? Sand is divided into four grades of coarse, medium, fine and extra fine according to the fineness modulus. The range is: coarse sand 3.7~3.1; medium sand 3.0~2.3; fine sand 2.2~1.6; ultra fine sand 1.5~0.7. 3. How to divide natural sand according to source? River sand, mountain sand ...
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The Fineness Modulus (FM) range (1.24 – 2.94) of shari Ghat river bed sand is nearly similar to the FM range (2.0 – 2.6) of other area’s sand of Sylhet. The Fineness Modulus (FM) range of shari Ghat river bed sand compared with the different area in Bangladesh as tabulated form: TABLE 3.3 COMPARE OF FINENESS MODULUS Fig.3.1: Gradation ...
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They are not as complex as natural sand. 6. Fineness Modulus. For natural sand, one kind of fineness modulus can be graded in many ways. The fineness modulus of machine-made sand can be controlled artificially by production process, and the production can be organized according to user’s requirements, which is impossible for natural sand.
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Locally available river sand have density 1710 kg/m3 is used and specific gravity is 2.65 and fineness of modulus of river sand is 5.24. m sand used as partial replacement of fine sand in construction line and the density of M sand is 1750 kg/m3, specific gravity and fineness of modulus is found to be 2.73 and 4.66 respectively.Read more
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Seven types of river sands (K 1 –K 7) were designed with a different fineness modulus. Sand gradations of river sands and standard sand (K s) were divided into three categories according to GB/T 14684-2011 , which were shown in Table 3. The fineness modulus was used to characterize the fineness and coarseness of the sand.
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Jan 20, 2020 2. Care should be taken to see that the sieves are not surcharged. The weight of the sand sample should not exceed 500 grams. 3. Sieves should be cleaned gently with soft brushes. 4. Sieving should be done by giving varied motion so that all particles get a sufficient chance of passing through the sieve opening (if done manually). Report
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May 24, 2020 Sand: Fineness Modulus Range: Fine sand: 2.2 to 2.6: Medium sand: 2.6 to 2.9: Coarse sand: 2.9 to 3.2: Fineness Modulus Ranges. It is noted that Sand Having a fineness modules more than 3.2 will be unsuitable for good Concrete. See also Types of Aggregates-Natural and Artificial Aggregates.. Strength Test of Cement. Soundness Test of Cement.
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Feb 18, 2020 • The large composition of sand grains has a modulus of fineness between 1.5 to 3.8 and consists of various grains. • For high durability concrete, the reaction of sand to alkali must be negative. • Sea sand should not be used as fine aggregate for all concrete except with instructions
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and clay carried by river sand can be harmful to the concrete. Another issue associated with river sand is that of obtaining required grading with a fineness modulus of 2.4 to 3.1.It has been verified and found, at various locations across south India, that it has become increasingly difficult to get river
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Nov 12, 2016 Coarse sand. Good for concrete works. • Others. FM is Fineness Modulus (Click here to see how its calculated) VARIOUS LAB TESTS ON SAND. Fineness Modulus, Silt test, Specific Gravity, Water absorption, Bulk density etc. (All These Tests are available here) QUALITIES OF GOOD SAND. 1. Good sand should have coarse and angular grains of pure ...
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Aug 15, 2019 Fine aggregate: rock particles with a particle size less than 4.75 mm, such as river sand, mountain sand, sea sand, etc. The thickness of the sand is divided into 4 levels according to the fineness modulus: Coarse sand: fineness modulus is 3.7-3.1, the average particle diameter is …
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Jul 16, 2020 Fineness modulus of Fine Aggregate. Fineness modulus is obtained adding the percentage of the weight of fine aggregate retained on each sieve and dividing by 100. Type of sand fineness Modulus Range. Fine sand 2.2-2.6. Medium 2.6-2.9. Coarse Sand 2.9- 3.2
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Fineness modulus noted for the fine aggregates indicate that river sand has relatively finer grains whereas quarry dust has coarser grains (Tables 1 2). Table 1: Physical properties of aggregates. Property River Sand Quarry Dust Acceptance Limit for Concrete Specific gravity 2.64 2.76 2.6-2.8 (4,27) Fineness modulus 2.54 2.96 2.2-3.2 (4,29)
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Jul 15, 2016 According to the Chinese code JTG E42-2005 , a sieve analysis was adopted to determine the fineness modulus and the grading of the sea sand. The fineness modulus can be calculated with the following equation: M x = (A 2 + A 3 + A 4 + A 5 + A 6)-5 A 1 100-A 1 where M x is the fineness modulus, and A 1, A 2, A 3, A 4, A 5 and A 6 are the ...
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b) As per the grading given in Table 1, the fineness modulus of sand could vary from I.2 to 2.2. However, it is preferable to have minimum fineness modulus of l-4 in case of crushed stone sands and crushed gravel sands and a F. M of 1 5 in case of naturally occurring sands. Hence,
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Sep 02, 2021 fineness modulus. Correct! Wrong! Specified compressive strength of concrete is obtained from cube tests at the end of. ... The ratio of the volume of moist sand to the volume of dry sand is known as. crushing value. impact value. bulking factor. none of these. Correct! ... river beds. sea beds. all the above. Correct! Wrong! Leave a Reply ...
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FINENESS MODULUS OF FINE AGGREGATE TXDOT DESIGNATION: TEX-402-A CONSTRUCTION DIVISION 1 – 2 LAST REVIEWED: SEPTEMBER 2014 Test Procedure for FINENESS MODULUS OF FINE AGGREGATE TxDOT Designation: Tex-402-A Effective Date: August 1999 1. SCOPE 1.1 This method determines the fineness modulus of concrete fine aggregate used in
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The fineness modulus of Fombap materials indicates that they can be used as sand for concrete mnufacture, provided to use Portland cement. Materials from Ntingue and Faungwa are of very high fineness modulus; therefore, particle size distribution requires correction before their …
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A blend of fine aggregate (70% Qibla Bandi and 30% of Chenab river sand) having fineness modulus of 2.49 and Specific gravity of 2.68 was introduced in concrete mix design (Table1-B). Susceptibility of Jhelum river bed aggregate to alkali silica reaction and its potential as construction aggregate.
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Coarse river sand with fineness modulus of 3.0 with water cement ratio of 0.4 was used to produce the said concrete using mix ratio 1:1.5:3 (cement:sand:granite). The coarse aggregate sizes namely 19 mm and 25 mm were also used along separately. The cement was subjected to specific gravity, fineness, consistency, setting time,
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Jan 01, 1994 The Importance of Fineness Modulus. In 1925, Duff Abrams introduced the concept of fineness modulus (FM) for estimating the proportions of fine and course aggregates in concrete mixtures. The premise: aggregate of the same fineness modulus will require the same quantity of water to produce a mix of the same consistnecy and give a concrete of ...
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